InChI=1/C20H19FN2O4S2/c1-13-19(28-20(23-13)14-2-4-15(21)5-3-14)8-9-22-29(24,25)16-6-7-17-18(12-16)27-11-10-26-17/h2-7,12,22H,8-11H2,1H3 643E8815918FC6FD